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Which URLs/ports does Firefox's auto update use?

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Have a restricted workstation that still requires auto updates to occur for the browser. Would anyone happen to know which URLs/ports that Firefox's auto update feature uses? I've looked everywhere and can't find any information regarding this (other than just letting the browser pass through a home firewall program, which isn't applicable in this case). Thanks!

Have a restricted workstation that still requires auto updates to occur for the browser. Would anyone happen to know which URLs/ports that Firefox's auto update feature uses? I've looked everywhere and can't find any information regarding this (other than just letting the browser pass through a home firewall program, which isn't applicable in this case). Thanks!

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When looking at a wireshark capture file after doing an auto-update I discovered the host. After that when searching through some bug reports I found out that the port seems to be 443 (https) which is logical since updates should be done over a secure connection. host: aus3.mozilla.org port: 443

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